224results about "Automatic/semiautomatic turning machines" patented technology

A machine tool has a front spindle that rotatably holds a bar, a front spindle drive motor that rotationally drives the front spindle, an encoder that detects a rotation angle of the front spindle drive motor, a rotary guide bush that is installed on a guide bush support in front of the front spindle to support the bar extending from the front spindle while allowing the bar to rotate around a rotation axis and move in a rotation axis direction and rotate synchronously with the front spindle, a back spindle that is arranged opposite to the front spindle and rotatably holds the bar, a back spindle drive motor that rotationally drives the back spindle, and a controller that controls operations of the front spindle and the back spindle.

The invention discloses a sink roll turning mechanism, and relates to the technical field of turning, the sink roll turning mechanism comprises a base, and the top of the base is provided with a horizontally sliding sliding seat. According to the sink roll turning mechanism, through the arrangement of the intermittent turning and burr scraping mechanism, the turning tool moves in a rectangular track in the sink roll, when the turning tool moves to the bottommost part and horizontally moves, the inner wall of the sink roll is turned, when the turning tool moves upwards, the turning tool is separated from the inner wall of the sink roll, and the inner wall of the sink roll is turned; the phenomenon of overheating caused by long-time contact between the turning tool and the sink roll is effectively avoided, thermal deformation of the turning tool is effectively avoided, the turning precision is improved, after the turning tool moves upwards, the scraping plate makes contact with the inner wall of the sink roll, and burrs generated after turning are automatically scraped away along with rotation of the sink roll. And meanwhile, the phenomenon of overheating caused by long-time working of the turning tool and the scraping plate can be effectively avoided.

The invention discloses a turning and milling all-in-one machine, comprising: a lathe comprising a chuck, a workbench, a first driving assembly and a turning tool, the chuck is used for clamping a workpiece and driving the workpiece to rotate above the workbench, and the first driving assembly is connected with and drives the turning tool to move along the X-axis and Z-axis directions of the workbench so as to adjust the feeding amount of the workpiece and cut the peripheral wall; the milling assembly is connected to the workbench and comprises a second driving assembly, a first main shaft arranged on the X axis and a second main shaft arranged on the Z axis, the center line of the first main shaft and the center line of the second main shaft perpendicularly intersect on the same horizontal plane, and the second driving assembly is connected with the first main shaft and the second main shaft and drives the first main shaft and the second main shaft to move in the Y-axis direction of the workbench. And one of the first main shaft and the second main shaft is used for milling a workpiece. The milling assembly is integrated on a traditional lathe, the original turning function is reserved, the milling capacity is expanded, the machining efficiency and flexibility are greatly improved, and the production cost is reduced.

A lathe includes a spindle, an opposite spindle, a tool post, a controller, and a contact-type breakage detector. The controller determines whether the cut-off tool is broken according to a control parameter for controlling at least one of the spindle and the opposite spindle at a first detection timing immediately after the cut-off tool cuts off the bar material while the opposite spindle holds the bar material held by the spindle. The controller determines whether the cut-off tool is broken according to a detection result by the contact-type breakage detector at a second detection timing different from the first detection timing.

To provide a machine tool and a control method of the machine tool, which automatically adjust a gap between a rotary guide bush and a bar material in the case of a structure in which an opening of the rotary guide bush is adjusted by an adjusting nut and the rotary guide bush synchronously rotates with a front face main spindle.SOLUTION: A rotary guide bush 140 includes an adjusting nut 145 which adjusts a size of a gap by rotating a guide bush body 144 when adjusting a gap between a bar material W and the guide bush body 144 and is screwed with the guide bush body 144. A control device 180 includes a guide bush opening determination section 181b which determines adjustment amount of the gap on the basis of a rotation angle of a front face main spindle 120 when rotating a back face main spindle 160 in a state that the back face main spindle 160 is held by the bar material W and a front face main spindle driving motor 123 is not excited.SELECTED DRAWING: Figure 1

According to the hydraulic auxiliary supporting device of the numerical control heavy horizontal lathe and the adjusting method of the hydraulic auxiliary supporting device, a cooperative work system is formed by arranging a hydraulic supporting assembly and a cross-three-guide-rail balance structure of a supporting plate assembly, and the cross-three-guide-rail balance structure of the supporting plate assembly is used for supporting the supporting plate assembly by increasing the supporting area, lengthening a force arm and optimizing a positioning and guiding structure; the bearing capacity, the rigidity and the movement precision of the machine tool are improved from the mechanical structure level; according to the hydraulic supporting assembly, through the combined design of hydraulic proportional adjustment and hydraulic supporting disc spring pre-tightening, self-adaptive adjustment of loads and gaps is achieved, cutting vibration is effectively absorbed, overturning moment is offset, and the defect of a mechanical structure in the dynamic load adaptation aspect is overcome; when the supporting plate assembly and the hydraulic supporting assembly work cooperatively, the supporting plate assembly provides a stable stress foundation for the hydraulic supporting assembly, the hydraulic supporting assembly conducts precise compensation for dynamic load changes, the double advantages of static rigidity guarantee and dynamic load adaptation are formed, the overall performance of the machine tool is remarkably improved, and the requirements for high-precision and high-efficiency machining of heavy and extra-heavy workpieces are met.

The invention relates to a multi-station numerical control lathe, and belongs to the technical field of numerical control lathes, the multi-station numerical control lathe comprises a lathe workbench and a plurality of multi-station power tool turrets, and further comprises a guide rail, a sliding seat, a rotating seat, a first driving part, a second driving part and a third driving part, the length direction of the guide rails is parallel to the length direction of a clamped workpiece, the guide rails correspond to the multi-station power tool turrets one to one, the multiple guide rails are located on the same side of the workpiece, the sliding seats correspond to the guide rails one to one, and the sliding seats are arranged on the corresponding guide rails in a sliding mode. The rotating seat on the guide rail close to one side of the workpiece is arranged on the corresponding sliding seat, the rotating seat on the guide rail far away from one side of the workpiece is rotationally arranged on the corresponding sliding seat in the vertical direction, and the multi-station power tool turret is arranged on the rotating seat of the corresponding guide rail in a sliding mode. The multi-station power tool turret machining device has the advantages that machining flexibility is improved, and the multiple multi-station power tool turrets are fully utilized.

The invention belongs to the technical field of intelligent manufacturing equipment, and particularly relates to a multifunctional intelligent multi-spindle numerical control lathe which comprises a lathe base, a first spindle, a second spindle, a machining mechanism and a feeding and discharging mechanism. The first main shaft and the second main shaft capable of being adjusted in the axial direction cooperatively clamp and drive a product to rotate, and the machining mechanism completes machining operation such as turning and boring. The feeding and discharging mechanism comprises a driving mechanism, a lifting piece, a force sensor, a sliding rod and a supporting piece, and the state change of the supporting piece is achieved through switching of different telescopic lengths of the driving mechanism. When the first telescopic length is reached, the supporting piece obliquely discharges chips; the to-be-machined part is stably supported and aligned with the main shaft at the second telescopic length; the third telescopic length facilitates feeding and discharging. The force sensor detects the weight of the product in the lifting process and records the machining loss and the qualification condition. The lathe achieves auxiliary feeding and discharging, scrap collection and weight detection, manpower consumption and operation difficulty are reduced, safety and machining efficiency are improved, and practicability is high.

The utility model discloses a multi-station hole processing tool fixing fixture based on a lathe, including a tailstock connecting seat, a support plate, a turntable and a turntable rotation locking mechanism. The tailstock connecting seat is a stepped shaft structure, the middle part of the support plate is an inclined disc, and the two sides of the disc respectively extend a supporting upper shaft and a positioning lower shaft vertically outward, and the upper end of the supporting upper shaft passes through the center hole of the turntable. The bottom of the turntable is pressed against the upper side surface of the disc of the support plate by several locking nuts, and the other end of the tailstock connecting seat is fixedly connected to the support plate as a whole. Several tool handle fixing inner tapered holes are evenly distributed on the outer peripheral surface of the upper cone body of the turntable, and the tapered shank tool rods at the rear end of the hole processing tool are respectively fixed in the upper part of the turntable, and the turntable rotation locking mechanism is arranged between the support plate and the turntable. The utility model reduces the use cost of the hole processing tool and improves the cutting processing quality of the axial holes of shaft parts. It reduces the labor intensity of workers and significantly improves production efficiency.

The machine tool includes: a first spindle that includes a collet chuck that grips a workpiece; a first headstock that rotatably supports the first spindle; an air cylinder that generates a driving force for changing a state of the collet chuck between a gripping state for gripping the workpiece and a release state for releasing the grip of the workpiece; a non-rotary transmitting member that transmits the driving force received from the air cylinder; a rotary transmitting member that rotates together the first spindle and transmits to the collet chuck the driving force received from the non-rotary transmitting member; strain detection means that is attached to the non-rotary transmitting member and detects a strain of the non-rotary transmitting member produced when the driving force is transmitted from the air cylinder to the collet chuck, and a deriving unit that derives the gripping force of the collet chuck based on a detection result of the strain detection means.

A tooling assembly for a lathe machine includes a tool platform configured to be mounted on the lathe machine, a milling tool holder fixedly secured to the tool platform and workable to releasably secure a thread milling tool therein, and a milling tool drive. The milling tool drive is operatively connected to the milling tool holder and operable to rotate the milling tool holder independently of a work holder to mill threads on the workpiece when a pipe thread milling tool is secured in the milling tool holder. Computer numerical control threading lathes and methods of milling threads in tubular workpieces are also described.

A turning method includes driving a first movement apparatus to locate a cutting edge of a turning tool at a first radial position; driving a second movement apparatus to move the turning tool in an axial direction to perform first turning with the cutting edge at the first radial position; driving the second movement apparatus to move the turning tool away from a workpiece in the axial direction after performing the first turning; calculating an error between the processed dimension and a target dimension; driving a third movement apparatus, which is configured to move the turning tool relative to the first movement apparatus in a radial direction, to locate the cutting edge of the turning tool at a second radial position to correct the error; and driving the second movement apparatus to move the turning tool in the axial direction to perform second turning at the second radial position.

A horizontal machining center with a shock-absorbing braking mechanism, comprising a lathe body (1) including a lathe bed (102), a chuck (103), a spindle housing (104), and a slide housing (105). The lathe bed (102) is equipped with a guide rail (108), and the slide housing (105) is equipped with a tool holder assembly (106). One end of the inner shaft (201) near the chuck (103) is provided with a brake disc (203), and the spindle housing (104) is provided with a spindle braking device (5) comprising a first (6) and a second braking device (7) arranged symmetrically on either side of the brake disc (203) and a return device (8) located between the two. (Shortcut figure: Figure 1)

To provide a technology for dealing with thermal expansion during additional processing of a workpiece in a manner different from the conventional method. [Solution] The additive machining device includes a laser head that performs additive machining of a workpiece, a first support section that supports one side of the workpiece in a predetermined axial direction and supports the workpiece rotatably about the predetermined axis, a second support section that supports the other side of the workpiece in the predetermined axial direction and supports the workpiece rotatably about the predetermined axis, a drive section that moves the second support section along the predetermined axial direction, a first detection section that detects a physical quantity that is correlated with a torque applied to the drive section, and a control section. The control section executes a process of controlling the drive section so that the physical quantity detected by the first detection section approaches a predetermined target value during additive machining of the workpiece or during cooling of the workpiece.

The utility model relates to the technical field of contact processing and clamping, in particular to a circuit breaker contact processing and clamping device which comprises a workbench, a containing groove is formed in the top of the workbench, a placing plate is connected in the containing groove in a sliding mode, and an electric telescopic rod is fixedly installed on the bottom wall of the containing groove. And a port of the output end of the electric telescopic rod is fixedly connected with the placing plate. The electric telescopic rod is arranged to drive the containing plate to move downwards, the machining process is conducted in the containing groove, the situation that chippings splash can be reduced, after drilling is completed, the electric telescopic rod is used for driving the containing plate to move upwards, the air cylinder drives the sliding rod to move upwards, and therefore discharging is convenient. By means of the arranged sliding rod and the movable cross rod, the circuit breaker contact can be conveniently clamped and fixed, the fixing position can be conveniently changed, the whole containing plate can be stored in the containing groove to be machined in the machining process, chipping splashing is reduced, and potential safety hazards are reduced.

In order to improve the machining freedom of a workpiece while suppressing a cost increase, a tool rest (3) for a machine tool includes a cutting tool holder 31 having a plurality of parallel cutting tool fixing grooves 33 to which a shank 41 of a cutting tool 40 can be fixed, and a tool holder 5 that holds a tool 60 for machining a workpiece W1 gripped by a spindle 11 that is capable of rotating about a spindle axis AX0. The tool holder 5 includes a shaft part 50 that is fixed to the cutting tool fixing groove 33, and a holding part 54. The holding part 54 holds, as the tool 60 that performs machining about a machining axis AX4, at least one of a rotary tool and a non-rotary tool in which the machining axis AX4 extends along the spindle axis AX0.

This invention belongs to the field of turning technology, specifically a narrow-pitch vertical multi-spindle CNC lathe for shafts and its usage method. Addressing the lack of corresponding protective devices during part machining in existing technologies, and the problem of the cutting head not rotating when machining grooves on shaft workpieces, the lathe includes a support box with a collection box slidably connected inside. One side of the collection box extends to the outside of the support box. Multiple second unloading holes are evenly spaced on the top inner wall of the support box. After clamping and positioning the workpiece, this invention allows the workpiece to be machined in a relatively enclosed space, preventing waste chips from flying everywhere. Furthermore, during machining, the cutting head can be driven to rotate, reducing pressure on the workpiece and preventing deformation when machining grooves on shaft workpieces.

In order to configure a multi-spindle machine tool comprising a machine frame, a spindle drum arranged on the machine frame to be rotatable about a spindle drum axis and having a plurality of workpiece spindles, each of which is provided with a workpiece receptacle for a workpiece that is to be machined in a working area, a plurality of tool carriers arranged in the working area, in particular associated with individual spindle stations, and each having a tool holder receptacle into which a tool holder is insertable, as well as a machine control system for controlling the machine tool to be more efficient, it is proposed that a handling apparatus is arranged on the machine frame, that with the handling device, also controlled by the machine control system, at least one tool holder is insertable into at least one of the tool holder receptacles and / or removable therefrom.

The utility model discloses a dual-spindle processing mechanism for a machine tool, comprising: a base frame, mounted on a machine tool; a support plate mechanism, symmetrically arranged on both sides of the upper end of the base frame; a clamping mechanism, correspondingly arranged on the support plate mechanism, and the clamping ends of the two clamping mechanisms are arranged facing each other; a driving mechanism, correspondingly arranged on the support plate mechanism, used to drive the clamping mechanism to move along the X-axis and / or the Y-axis; a power turret mechanism, correspondingly arranged on one side of the clamping mechanism, used to process the workpiece clamped on the corresponding clamping mechanism, and the two power turret mechanisms are respectively arranged diagonally along the base frame. The structure of the present application is simple, and two sets of processing mechanisms are symmetrically arranged on both sides of the base frame, so that two workpieces can be processed synchronously, and the processing efficiency is greatly improved, and the two sets of processing mechanisms can be standby processing mechanisms for each other. When a processing mechanism is damaged, processing can continue, which is practical and convenient.

The utility model discloses a turning and milling all-in-one machine which comprises a lathe which comprises a chuck, a working table, a first driving assembly and a turning tool, the chuck is used for clamping a workpiece and driving the workpiece to rotate above the working table, and the first driving assembly is connected with the turning tool and drives the turning tool to move in the X-axis direction and the Z-axis direction of the working table. The feeding amount of the workpiece is adjusted, and the outer peripheral wall is cut; the milling assembly is connected to the workbench and comprises a second driving assembly, a first main shaft arranged on the X axis and a second main shaft arranged on the Z axis, the second driving assembly is connected with the first main shaft and the second main shaft and drives the first main shaft and the second main shaft to move in the Y-axis direction of the workbench, and one of the first main shaft and the second main shaft is used for milling the workpiece. The milling assembly is integrated on a traditional lathe, the original turning function is reserved, the milling capacity is expanded, two different types of machining including turning and milling are conducted on the same device at the same time, the machining efficiency and flexibility are greatly improved, and the production cost is reduced.

To provide a lathe with high process tolerance.SOLUTION: A lathe comprises: a first main spindle 31 which grips a work-piece W1, and is rotatable around a first main spindle center line CL1; a first cutter holder 5 to which a tool T1, that cuts in the work-piece W1 gripped by the first main spindle 31 thereby processing the work-piece W1, is attached; an X1 axis ball screw 502 which extends in an X1 axis direction orthogonal to the first main spindle center line CL1, and moves the first cutter holder 5 in the X1 axis direction; and an X1 axis support bearing 504 which is located on one end side part of the X1 axis ball screw 502 in the X1 axis direction, and regulates movement of the X1 axis ball screw 502 in X1 axis direction. The first cutter holder 5 has an X1 axis ball screw nut 512 which engages with the X1 axis ball screw 502, and is moved along the X1 axis direction by rotation of the X1 axis ball screw 502. A cut-in direction of the tool T1 is a direction in which the X1 axis ball screw nut 512 approaches the X1 axis support bearing 504.SELECTED DRAWING: Figure 8

The invention discloses a high-precision numerical control turning and milling composite lathe, and relates to the technical field of lathes, the high-precision numerical control turning and milling composite lathe comprises a base, a machining unit is arranged at the rear end of the top of the base, a positioning table is further fixedly mounted at the top of the base, a fixing groove is formed in the top of the positioning table, and a guide plate is rotatably arranged in the fixing groove; a telescopic rod and a first spring are arranged between the guide plate and the inner side wall of the fixing groove, and two limiting plates are symmetrically arranged at the end of the top of the guide plate. When the gravity of metal chippings falling on the top of a guide plate is larger than the supporting force of a telescopic rod, one end of the guide plate can rotate downwards at the moment, the metal chippings can slide out along the guide plate, in the process, due to the fact that the guide plate is in an inclined state, a scraper can slide on the guide plate, and the metal chippings can be scraped out. And therefore, the scraping plate can drive the chippings adhered to the surface of the guide plate to actively slide out of the guide plate, the cleaning effect on the guide plate is improved, and the chipping cleaning precision on the guide plate is also improved.

The present invention discloses a center-of-gravity driven zero overhang CNC lathe, comprising a bed, a transverse guide rail, a longitudinal guide rail, a spindle unit, and a tool holder unit; the transverse guide rail is fixed to the top of the bed, the longitudinal guide rail is fixed to the side of the bed connected to the outside, the spindle unit is connected to the transverse guide rail for horizontal reciprocating motion, the tool holder unit is connected to the longitudinal guide rail for vertical reciprocating motion, and both the spindle unit and the tool holder unit are designed with zero overhang. Beneficial effects of the present invention: The present invention realizes the coordination of zero overhang and center-of-gravity drive, which can weaken the torque on the spindle unit during workpiece processing, reduce the relative vibration between the workpiece and the tool, improve processing accuracy and stability, and extend the service life of the tool.

The invention relates to the technical field of numerical control machine tools, in particular to a numerical control machine tool with a rapid clamping and limiting function, which comprises a numerical control machine tool body, a three-jaw automatic chuck, a driving motor and the like, the three-jaw automatic chuck is rotatably connected in the numerical control machine tool body, and the driving motor is mounted in the numerical control machine tool body; an output shaft of the driving motor and the three-jaw automatic chuck are in transmission through a transmission gear. The lead screw motor can drive the limiting spline shaft to move left and right, the limiting distance of the limiting spline shaft is adjusted, a workpiece can be pushed leftwards through the push plate, the workpiece makes contact with the right end of the limiting spline shaft, the limiting spline shaft limits the workpiece, the workpiece is automatically clamped and limited, the position of the limiting spline shaft does not need to be frequently adjusted, and the machining efficiency is improved. And the workload of workers can be reduced, and the working efficiency is improved.

A machine tool has a spindle device having a through-hole extending in an axial direction along a rotation axis, a tubular shaft movable in the axial direction through the through-hole, and a workpiece support body configured to be detachable with respect to one end of the through-hole and to support a workpiece so as to be movable in the axial direction, the tubular shaft having a first end toward the one end of the through-hole and a second end opposite to the first end in the axial direction, the workpiece support body being detachable from the one end and a probe being mountable to the first end.

A machining simulation apparatus includes a processor and a communication circuit. The processor is configured to set a position of a program origin that is an origin on a machining simulation coordinate system, based on a machine model origin, on the machining simulation coordinate system, that corresponds to a machine origin of a numerically controlled lathe, a jaw model that is a shape model of a jaw mounted on a chuck of the numerically controlled lathe, and a workpiece model that is a shape model of a workpiece to be gripped by a plurality of the jaws. The processor is also configured to perform a machining simulation of virtually machining the workpiece model by executing a machining program using the program origin as a reference position. The communication circuit is configured to transmit data indicating the position of the program origin to the numerically controlled lathe.

A method for steady-state control of cutting state, implemented based on computer numerical control (CNC) machine tools or cutting lathes. The method comprises: fitting parameters of a stored energy evolution model of a workpiece material to be machined; discretizing primary shear zone into multiple infinitesimals along normal direction of main shear plane; introducing equivalent cutting edge model, inputting pre-used cutting parameters, calculating strain and strain rate of each infinitesimal and analyzing temperature of each infinitesimal; deducing and solving differential equation of each infinitesimal of stored energy to position of the primary shear zone by taking initial shear plane of the primary shear zone as model boundary; determining application values of cutting parameters according to solved results; and, controlling and adjusting the cutting tool in the actual cutting process to cut the workpiece material to be machined with the application values.

To provide a gang which enables increase in a machining speed while assuring high accuracy machining of a piece, and a machine tool.SOLUTION: A machine tool gang (100) includes a tool support part (102), and the tool support part (102) comprises first tool installation means (105) for installing a tool (101). In the gang, the tool support part (102) has a substantially flat shape that surrounds at least partially a machining zone in which a work-piece can be machined.SELECTED DRAWING: Figure 9

The utility model relates to the technical field of multi-head vertical lathes, in particular to a multi-head vertical numerical control lathe which comprises a multi-head lathe body, a frame used for supporting is assembled on the surface of the outer wall of the multi-head lathe body, a frame hopper used for guiding materials is installed in the frame in a sliding mode, and a scale body used for measuring is assembled between the frame hopper and the frame. A conveying belt used for guiding materials is assembled on the inner side of the frame hopper. In the using process of the multi-head vertical numerical control lathe, chippings generated during workpiece machining can fall into the frame hopper in the frame and can be guided by the frame hopper to be accumulated on the surface of the conveying belt, and then the scale body between the frame and the frame hopper can weigh the chippings on the frame hopper and the conveying belt. And when the set weight is achieved, the conveying belt can operate, accumulated chippings can be conveyed and discharged, and therefore resources consumed by continuous operation of the conveying belt are reduced.